135102450 has 48 divisors (see below), whose sum is σ = 382921920. Its totient is φ = 30880320.

The previous prime is 135102449. The next prime is 135102467. The reversal of 135102450 is 54201531.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63285 + ... + 65384.

It is an arithmetic number, because the mean of its divisors is an integer number (7977540).

Almost surely, 2^135102450 is an apocalyptic number.

135102450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135102450 is an abundant number, since it is smaller than the sum of its proper divisors (247819470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

135102450 is a wasteful number, since it uses less digits than its factorization.

135102450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128691 (or 128686 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 135102450 is about 11623.3579485448. The cubic root of 135102450 is about 513.1225193649.

Adding to 135102450 its reverse (54201531), we get a palindrome (189303981).

The spelling of 135102450 in words is "one hundred thirty-five million, one hundred two thousand, four hundred fifty".